Patents by Inventor Jose Maria Migel del Corral

Jose Maria Migel del Corral has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Antineoplastic cyclolignan derivatives
    Patent number: 5747529
    Abstract: Antineoplastic cyclolignan derivatives are of formula (I): ##STR1## in which Ar is a 3,4,5-trialkoxyphenyl or 4-hydroxy-3,5-dialkoxyphenyl; X is an oxygen, sulphur or nitrogen atom, a methine group .dbd.CH-- or an alkylmethine group .dbd.C(alkyl)--; Y is a hydrogen atom or an alkyl, alkenyl, (poly)haloalkyl, aryl, hydroxy, alkoxy, amino, monoalkylamino, dialkylamino, (poly)haloalkylamino, arylamino, acyl or acetamido group, or the group Y is absent; Z is an alkyl, hydroxyalkyl, acyl, carboxy, alkoxycarbonyl or aryloxycarbonyl group; and the dotted lines indicate one double bond located at position .DELTA..sup.7-8 or .DELTA..sup.8-8'.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: May 5, 1998
    Assignee: Universidad de Salamanca
    Inventors: Marina Gordaliza, Maria Angeles Castro, Arturo San Feliciano, Jose Maria Migel del Corral, Maria Luisa Lopez, Dolores G. Gravalos